A-B-X Test

A-B-X Test is a method of comparing changes in sound quality or components in audio systems, in which three audio sources are used to evaluate whether there is a noticeable difference between two versions of an audio signal.

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A-440, also known as concert pitch, refers to the frequency of 440 Hertz, at which the musical note A above middle C is tuned. Adopted by the International Organization for Standardization, it serves as the standard pitch reference for tuning musical instruments globally.

A-440

A-440 is a universal standard for musical pitch, whereby the note ‘A’ above middle ‘C’ on a piano, often known as ‘A4,’ is tuned to vibrate at precisely 440 cycles per second, or Hertz (Hz).

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Digital Audio Tape (DAT) is a magnetic tape format used for recording and playing back digital audio. It was introduced in the late 1980s and was popular in professional audio recording studios.

Digital Audio Tape (DAT)

Digital Audio Tape (DAT) is a magnetic tape format used for recording and playing back digital audio. It was introduced in the late 1980s and was popular in professional audio recording studios.

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